SOLUTION: sin(theta) = cos(2theta + 12degrees) find the acute angle that satisfies the equation

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Question 939716: sin(theta) = cos(2theta + 12degrees)
find the acute angle that satisfies the equation
Answer by lwsshak3(11628) About Me  (Show Source):
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sin(theta) = cos(2theta + 12degrees)
find the acute angle that satisfies the equation
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consider cos and sin functions to be complementary:
theta+2theta+12˚=90˚
3theta=78˚
theta=26˚
..
Check:
sin(theta)=sin(26˚)=0.438...
cos(2 theta+12˚)=cos(64˚)=0.438...